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Summary of Significant Accounting Policies (Details)
12 Months Ended
Dec. 31, 2016
Maximum  
Property, Plant and Equipment  
Turnaround period 5 years
Buildings | Minimum  
Property, Plant and Equipment  
Depreciable life 10 years
Buildings | Maximum  
Property, Plant and Equipment  
Depreciable life 40 years
Machinery and equipment | Minimum  
Property, Plant and Equipment  
Depreciable life 5 years
Machinery and equipment | Maximum  
Property, Plant and Equipment  
Depreciable life 30 years